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https://github.com/RetroShare/RetroShare.git
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Created a basic widget of the group tree with the filter out of the channels and used it in the forums tree too.
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@3937 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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thunder2
parent
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commit
df1e8b7537
14 changed files with 2357 additions and 2646 deletions
356
retroshare-gui/src/gui/common/GroupTreeWidget.cpp
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356
retroshare-gui/src/gui/common/GroupTreeWidget.cpp
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/****************************************************************
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* This file is distributed under the following license:
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*
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* Copyright (c) 2010, RetroShare Team
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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#include "GroupTreeWidget.h"
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#include "ui_GroupTreeWidget.h"
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#include "RSItemDelegate.h"
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#include "PopularityDefs.h"
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#define COLUMN_NAME 0
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#define COLUMN_POPULARITY 1
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#define COLUMN_COUNT 2
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#define COLUMN_DATA COLUMN_NAME
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#define ROLE_ID Qt::UserRole
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#define ROLE_NAME Qt::UserRole + 1
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#define ROLE_DESCRIPTION Qt::UserRole + 2
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#define ROLE_LASTPOST Qt::UserRole + 3
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#define ROLE_SEARCH_SCORE Qt::UserRole + 4
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#define COMBO_NAME_INDEX 0
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#define COMBO_DESC_INDEX 1
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GroupTreeWidget::GroupTreeWidget(QWidget *parent) :
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QWidget(parent), ui(new Ui::GroupTreeWidget)
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{
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ui->setupUi(this);
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/* Connect signals */
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connect(ui->clearFilter, SIGNAL(clicked()), this, SLOT(clearFilter()));
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connect(ui->filterText, SIGNAL(textChanged(const QString &)), this, SLOT(filterChanged()));
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connect(ui->filterCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(filterChanged()));
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connect(ui->treeWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(customContextMenuRequested(QPoint)));
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connect(ui->treeWidget, SIGNAL(currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)), this, SLOT(currentItemChanged(QTreeWidgetItem*, QTreeWidgetItem*)));
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/* Add own item delegate */
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RSItemDelegate *itemDelegate = new RSItemDelegate(this);
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itemDelegate->removeFocusRect(COLUMN_POPULARITY);
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itemDelegate->setSpacing(QSize(0, 2));
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ui->treeWidget->setItemDelegate(itemDelegate);
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/* Initialize tree widget */
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ui->treeWidget->setColumnCount(COLUMN_COUNT);
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/* Set header resize modes and initial section sizes */
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QHeaderView *header = ui->treeWidget->header ();
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header->setResizeMode(COLUMN_NAME, QHeaderView::Stretch);
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header->resizeSection(COLUMN_NAME, 170);
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header->setResizeMode(COLUMN_POPULARITY, QHeaderView::Fixed);
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header->resizeSection(COLUMN_POPULARITY, 25);
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/* Initialize filter */
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ui->clearFilter->hide();
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}
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GroupTreeWidget::~GroupTreeWidget()
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{
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delete ui;
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}
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void GroupTreeWidget::changeEvent(QEvent *e)
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{
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QWidget::changeEvent(e);
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switch (e->type()) {
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case QEvent::LanguageChange:
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ui->retranslateUi(this);
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break;
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default:
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break;
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}
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}
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void GroupTreeWidget::customContextMenuRequested(const QPoint &pos)
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{
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emit treeCustomContextMenuRequested(pos);
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}
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void GroupTreeWidget::currentItemChanged(QTreeWidgetItem *current, QTreeWidgetItem *previous)
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{
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QString id;
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if (current) {
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id = current->data(COLUMN_DATA, ROLE_ID).toString();
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}
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emit treeCurrentItemChanged(id);
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}
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QTreeWidgetItem *GroupTreeWidget::addCategoryItem(const QString &name, const QIcon &icon, bool expand)
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{
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QFont font = QFont("ARIAL", 10);
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font.setBold(true);
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QTreeWidgetItem *item = new QTreeWidgetItem();
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item->setText(COLUMN_NAME, name);
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item->setData(COLUMN_DATA, ROLE_NAME, name);
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item->setFont(COLUMN_NAME, font);
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item->setIcon(COLUMN_NAME, icon);
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item->setSizeHint(COLUMN_NAME, QSize(18, 18));
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item->setForeground(COLUMN_NAME, QBrush(QColor(79, 79, 79)));
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ui->treeWidget->addTopLevelItem(item);
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item->setExpanded(expand);
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return item;
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}
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QString GroupTreeWidget::itemId(QTreeWidgetItem *item)
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{
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if (item == NULL) {
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return "";
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}
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return item->data(COLUMN_DATA, ROLE_ID).toString();
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}
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void GroupTreeWidget::fillGroupItems(QTreeWidgetItem *categoryItem, const QList<GroupItemInfo> &itemList)
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{
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if (categoryItem == NULL) {
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return;
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}
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/* Iterate all items */
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QList<GroupItemInfo>::const_iterator it;
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for (it = itemList.begin(); it != itemList.end(); it++) {
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const GroupItemInfo &itemInfo = *it;
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QTreeWidgetItem *item = NULL;
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/* Search exisiting item */
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int childCount = categoryItem->childCount();
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for (int child = 0; child < childCount; child++) {
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QTreeWidgetItem *childItem = categoryItem->child(child);
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if (childItem->data(COLUMN_DATA, ROLE_ID).toString() == itemInfo.id) {
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/* Found child */
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item = childItem;
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break;
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}
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}
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if (item == NULL) {
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item = new GroupTreeWidgetItem();
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item->setData(COLUMN_DATA, ROLE_ID, itemInfo.id);
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categoryItem->addChild(item);
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}
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item->setText(COLUMN_NAME, itemInfo.name);
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item->setData(COLUMN_DATA, ROLE_NAME, itemInfo.name);
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item->setData(COLUMN_DATA, ROLE_DESCRIPTION, itemInfo.description);
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/* Set last post */
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item->setData(COLUMN_DATA, ROLE_LASTPOST, itemInfo.lastpost);
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/* Set icon */
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item->setIcon(COLUMN_NAME, itemInfo.icon);
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/* Set popularity */
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QString tooltip = PopularityDefs::tooltip(itemInfo.popularity);
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item->setIcon(COLUMN_POPULARITY, PopularityDefs::icon(itemInfo.popularity));
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/* Set tooltip */
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if (itemInfo.privatekey) {
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tooltip += "\n" + tr("Private Key Available");
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}
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item->setToolTip(COLUMN_NAME, tooltip);
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item->setToolTip(COLUMN_POPULARITY, tooltip);
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/* Set color */
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QBrush brush;
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if (itemInfo.privatekey) {
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brush = QBrush(Qt::blue);
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}
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item->setForeground(COLUMN_NAME, brush);
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/* Calculate score */
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calculateScore(item);
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}
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/* Remove all items not in list */
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int child = 0;
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int childCount = categoryItem->childCount();
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while (child < childCount) {
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QString id = categoryItem->child(child)->data(COLUMN_DATA, ROLE_ID).toString();
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for (it = itemList.begin(); it != itemList.end(); it++) {
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if (it->id == id) {
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break;
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}
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}
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if (it == itemList.end()) {
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delete(categoryItem->takeChild(child));
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childCount = categoryItem->childCount();
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} else {
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child++;
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}
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}
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categoryItem->sortChildren(COLUMN_NAME, Qt::DescendingOrder);
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}
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void GroupTreeWidget::setUnreadCount(QTreeWidgetItem *item, int unreadCount)
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{
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if (item == NULL) {
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return;
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}
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QString name = item->data(COLUMN_DATA, ROLE_NAME).toString();
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QFont font = item->font(COLUMN_NAME);
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if (unreadCount) {
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name += QString(" (%1)").arg(unreadCount);
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font.setBold(true);
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} else {
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font.setBold(false);
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}
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item->setText(COLUMN_NAME, name);
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item->setFont(COLUMN_NAME, font);
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}
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void GroupTreeWidget::calculateScore(QTreeWidgetItem *item)
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{
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if (item) {
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/* Calculate one item */
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QString filterText = ui->filterText->text();
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int score;
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if (filterText.isEmpty()) {
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score = 0;
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item->setHidden(false);
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} else {
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QString scoreString;
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switch (ui->filterCombo->currentIndex()) {
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case COMBO_NAME_INDEX:
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scoreString = item->data(COLUMN_DATA, ROLE_NAME).toString();
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break;
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case COMBO_DESC_INDEX:
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scoreString = item->data(COLUMN_DATA, ROLE_DESCRIPTION).toString();
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break;
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}
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score = scoreString.count(filterText, Qt::CaseInsensitive);
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if (score) {
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item->setHidden(false);
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} else {
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item->setHidden(true);
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}
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}
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item->setData(COLUMN_DATA, ROLE_SEARCH_SCORE, score);
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return;
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}
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/* Find out which has given word in it */
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QTreeWidgetItemIterator itemIterator(ui->treeWidget);
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QTreeWidgetItem *item;
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while ((item = *itemIterator) != NULL) {
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itemIterator++;
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if (item->data(COLUMN_DATA, ROLE_ID).toString().isEmpty()) {
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continue;
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}
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calculateScore(item);
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}
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}
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void GroupTreeWidget::filterChanged()
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{
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if (ui->filterText->text().isEmpty()) {
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clearFilter();
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return;
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}
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ui->clearFilter->setEnabled(true);
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ui->clearFilter->show();
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/* Recalculate score */
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calculateScore(NULL);
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int count = ui->treeWidget->topLevelItemCount();
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for (int child = 0; child < count; child++) {
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ui->treeWidget->topLevelItem(child)->sortChildren(COLUMN_NAME, Qt::DescendingOrder);
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}
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}
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void GroupTreeWidget::clearFilter()
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{
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ui->filterText->clear();
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ui->clearFilter->hide();
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ui->filterText->setFocus();
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/* Recalculate score */
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calculateScore(NULL);
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int count = ui->treeWidget->topLevelItemCount();
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for (int child = 0; child < count; child++) {
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ui->treeWidget->topLevelItem(child)->sortChildren(COLUMN_NAME, Qt::DescendingOrder);
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}
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}
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GroupTreeWidgetItem::GroupTreeWidgetItem() : QTreeWidgetItem()
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{
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}
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bool GroupTreeWidgetItem::operator<(const QTreeWidgetItem& other) const
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{
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QDateTime otherChanTs = other.data(COLUMN_DATA, ROLE_LASTPOST).toDateTime();
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QDateTime thisChanTs = this->data(COLUMN_DATA, ROLE_LASTPOST).toDateTime();
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uint32_t otherCount = other.data(COLUMN_DATA, ROLE_SEARCH_SCORE).toUInt();
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uint32_t thisCount = this->data(COLUMN_DATA, ROLE_SEARCH_SCORE).toUInt();
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/* If counts are equal then determine by who has the most recent post */
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if (otherCount == thisCount){
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if (thisChanTs < otherChanTs) {
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return true;
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}
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}
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/* Choose the item where the string occurs the most */
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if (thisCount < otherCount) {
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return true;
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}
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if (thisChanTs < otherChanTs) {
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return true;
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}
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/* Compare name */
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return text(COLUMN_NAME) < other.text(COLUMN_NAME);
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}
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